Few of us find taxes exciting, but death - even just thinking about it - affects us profoundly in many different ways. This is why researchers across so many different fields study it from their perspectives. Here are five research findings - biochemical, medical, genetic, sociological and psychological - that you may not be aware of.
Progress is urgently needed in understanding Alzheimer's disease and in finding effective treatments. Available drugs can help stabilise memory loss and confusion for a few months in about half of patients, but no preventative treatments exist and none that slow the inexorable development of the disease.